Enlarge field size of Item.picture

src/pretix/base/migrations/0088_auto_20180328_1217.py

@@ -0,0 +1,30 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.11 on 2018-03-28 12:17
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+import pretix.base.models.items
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0087_auto_20180317_1952'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='staffsession',
+            options={'ordering': ('date_start',)},
+        ),
+        migrations.AlterModelOptions(
+            name='staffsessionauditlog',
+            options={'ordering': ('datetime',)},
+        ),
+        migrations.AlterField(
+            model_name='item',
+            name='picture',
+            field=models.ImageField(blank=True, max_length=255, null=True, upload_to=pretix.base.models.items.itempicture_upload_to, verbose_name='Product picture'),
+        ),
+    ]

src/pretix/base/models/items.py

@@ -248,7 +248,7 @@ class Item(LoggedModel):
     )
     picture = models.ImageField(
         verbose_name=_("Product picture"),
-        null=True, blank=True,
+        null=True, blank=True, max_length=255,
         upload_to=itempicture_upload_to
     )
     available_from = models.DateTimeField(